The dress is black & blue, but here's why you can't tell TJ Kelly ARRANGE embellished disc sequin square neck full skirt midi dress in lemon ASOS I've never understood the white gold side of the dress illusion but after modifying someone else's picture to make this one I can (kind of) see it. : r opticalillusions Dresses Almais In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color